Wrench.



I. S. OVERHOLSER.

WRENCH.

APPLICATION FILED JAN.16, 1914.

1,1 17,229. Patented Nov. 17,1914.

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ATTORNEYS THE NORRIS PETERS CO.. PHUTO-LITHQ. WASHINGTON, 0 c

IRWIN S. OVERHOLSER, F CAKES, NORTH DAKOTA.

WRENCH.

Specification of Letters Patent.

Patented Novi 17, 1914.

Application filed January 16, 1914. Serial No. 812,477.

To all whom it may concern Be it known that I, IRWIN S. OVERHOLSER, acitizen of the United States, and a resident of Cakes, in the county ofDickey and State of North Dakota, have invented a new and usefulImprovement in Wrenches, of which the following is a specification.

This invention relates to wrenches, and more particularly that typeknown as pipe wrenches, and one of the principal objects of theinvention is to provide a pipe wrench, which may be securely locked onpipes of various sizes by one movement and without the necessity ofpreadjustment.

A'further object of theinvention is to provide an improved wrench of thetype 7 specified, which will be extremely simple,

durable, 8111016111; in operation, and inexpensive tomanufacture.

With these and other objects in view which will become apparent as the,description proceeds, the invention resides in the construction,combination and arrangement of parts thereof, hereinafter more fullydescribed and claimed and illustrated in the accompanying drawing inwhich like characters of reference indicate like parts throughout thefigures, ofwhich,

Figure 1 represents a side elevational view of the wrench, constructedaccording to my invention, Fig. 2 represents a top plan view of thesame, and Fig. 3 represents a perspective view of one of the wrenchjaws.

In carrying out the preferred embodiment of the invention, I provide ahandle 5 which may be of any desired and suitable shape, and which maybe formed of a single bar of metal. The handle at one end thereof, isbifurcated to form the ears 6, and a stud 7 connects the ears andextends through an elongated slot 8 in the rear reduced end 9, of one ofthe jaws 10, of the wrench, which jaw is preferably formed of a singlebar of metal rounded on its outer edge as at 11, and on its inner edgebeing cut to form a pair of shoulders 12 and 13, extending substantiallyat right angles to each other, shoulder 12 being plain, and shoulder 13being provided with teeth for gripping a pipe or the like.

A. second jaw is provided, which comprises a pair of bars 1 1 connectedat their forward ends, as at 15, and positioned so as to embrace the jaw10 at the lower end of the plain shoulder 12 thereof, and to embrace attheir rear ends the handle 5 at a bars 14 are pivotally connected bymeans of studs or pins 16 with the jaw 10 and handle 5 at the pointsabove mentioned, namely, at the end of the plain shoulder 12 of jaw 10opposite from shoulder 13 thereof and between shoulder 13 and the lowerend of the jaw, and at a point on handle 5 in spaced relation to theconnection 7 between said handle and jaw 10. Pivot points 16 of the bars14 are substantially equidistant from pivot point 7 between handle 5 andjaw 10. The forward ends of the bars let are bent slightly downwardly asat 17, and are provided with teeth oppositely disposed with respect tothe teeth on shoulder 13 and adapted to co-act therewith in engaging apipe or similar object.

By means of the construction described,

it is evident that by moving the handle 5 in the direction indicatedbythe arrow in Fig. 1, a tendency will be exerted on the jaw members bywhich to bring the rear portions thereof, or the portions connected tohandle 5, together, and hence to bring the oppositely toothed portionsof thejaw members together, thus positively gripping the pipe or similarobject with which the wrench is being used at the time. be understoodthat a movement of handle 5 in a reverse direction, will separate thejaws, thereby loosening the grip of the wrench from the pipe. Sincemovement of the handle 5 in opposite directions will close or open thejaws, as the case may be, it is evident that the wrench may be used withvarious sized pipes, without the necessity of any preadjustmentwhatever.

Although I have described the prefepred embodiment of the invention, Imay desire to make such changes in the construction, combination andarrangement of parts thereof, as do not depart from the spirit of theinvention and the scope of the appended claim.

I claim:

A wrench comprising a movable jaw formed of a single bar of metalprovided with a shoulder and a toothed portion at one end and at theother end being reduced and provided in the reduced portion with anelongated slot extending longitudinally of the bar, a stationary jaw towhich said movable jaw is pivoted, a handle pivoted to It will 1 10 centthe movable aW being toothed on their upper edges, said bars at theirextreme forward ends being connected together, said bars being spacedapart equally throughout their length, said movable aw and handle beingof a uniform thickness.

IRWIN s. ovntai-ionsnn.

Witnesses S. B. Knesnnn, WM. 5501111111.

flopies of this patent may be obtained for five cents each, byaddressing the Commissioner of Patents. Washington, 1). C.

